Oki B6500 Service Manual page 238

Chapter 3 Removal and Replacement Procedures (RRPs)
When installing the GEAR PINION, make sure the GUIDE ASSEMBLY SD R550 and
GUIDE ASSEMBLY SD L550 are completely opened. If not, the side register may be mis-
aligned.
12) Install the COVER CST (PL 12.3) to the 550 PAPER CASSETTE.
After assembling, make sure that the LOW IND FRONT moves up-and-down in conjunc-
tion with the up-and-down movement of the PLATE ASSEMBLY BTM
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